Home / 3,316.21-4,974.29-1,007.71

Finding the Fourth Proportional to 3,316.21, 4,974.29 and 1,007.71

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Solution

The fourth proportional to 3,316.21, 4,974.29 and 1,007.71 is: 1,511.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.21 : 4,974.29 = 1,007.71 : x
  2. Step 2: Convert to fraction form
    3,316.21/4,974.29 = 1,007.71/x
  3. Step 3: Cross multiply
    3,316.21x = 4,974.29 × 1,007.71
  4. Step 4: Simplify right side
    3,316.21x = 5,012,641.78
  5. Step 5: Solve for x
    x = 5,012,641.78/3,316.21
  6. Step 6: Final answer
    x = 1,511.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.